PROBLEM TO BE SOLVED: To find out a substance having an endothelin-1 mRNA expression inhibiting action, an endothelin-1 production inhibiting action, a melamine production inhibiting action, and a bleaching action to provide the endothelin-1 mRNA expression inhibitor, the endothelin-1 production inhibitor, the melamine production inhibitor, and the bleaching agent.;SOLUTION: The endothelin-1 mRNA expression inhibitor, the endothelin-1 production inhibitor, the melamine production inhibitor, and the bleaching agent are each characterized by containing stearyl β-glycyrrhizinate as an active ingredient.;COPYRIGHT: (C)2005,JPO&NCIPI
展开▼